18083840

素因数分解:

$2^{12}\times 5^1\times {\mathrm{883}}^1$

素因数の和:912

約数の個数: 52

約数和(自身を含む): 43445064

約数和(自身を除く): 25361224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 883, 1024, 1280, 1766, 2048, 2560, 3532, 4096, 4415, 5120, 7064, 8830, 10240, 14128, 17660, 20480, 28256, 35320, 56512, 70640, 113024, 141280, 226048, 282560, 452096, 565120, 904192, 1130240, 1808384, 2260480, 3616768, 4520960, 9041920, 18083840]

約数ペア:

[(1, 18083840), (2, 9041920), (4, 4520960), (5, 3616768), (8, 2260480), (10, 1808384), (16, 1130240), (20, 904192), (32, 565120), (40, 452096), (64, 282560), (80, 226048), (128, 141280), (160, 113024), (256, 70640), (320, 56512), (512, 35320), (640, 28256), (883, 20480), (1024, 17660), (1280, 14128), (1766, 10240), (2048, 8830), (2560, 7064), (3532, 5120), (4096, 4415)]